Finding the Third Proportional to 92,380.50 and 199,006.50

Step by Step Solution

1. Step 1: Write the proportion equation
   92,380.50 : 199,006.50 = 199,006.50 : x
2. Step 2: Convert to fraction form
   92,380.50/199,006.50 = 199,006.50/x
3. Step 3: Cross multiply
   92,380.50x = 199,006.50 × 199,006.50
4. Step 4: Simplify right side
   92,380.50x = 39,603,587,042.25
5. Step 5: Solve for x
   x = 39,603,587,042.25/92,380.50
6. Step 6: Final answer
   x = 428,700.72